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Customer Reviews

Customer satisfaction is what drives us to provide the best quality products and reliable services year after year. We would like to thank our customers that took the time to provide us valuable feedback.

See our most recent reviews below.

For more reviews check out Yelp, Angie's List   & Facebook.

Great Professionalism and Excellent Customer Service

Joon connected with us via text last evening and he completed the measurements this morning. Joon was extremely professional, knowledgeable and courteous. He mentioned that he would be leading the installation team at our place when the windows come in. Also I would like to express my thanks to you and Greg for your...

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Mike and Carmen, Z. | Fairfax, VA

The Quality Of The Products Are Outstanding

We used WoW to replace dozens of windows on our newly purchased home, as well as four outside doors (three phases in all). At every step along the way, WoW was responsive and informative, from the office staff to the senior consultant (Greg), to the team lead (Young and his amazing crew). The quality of the products...

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Sue, J. | Hamilton, VA

Every Step Of The Process Was Exceptionally Professional

Every step of the process was exceptionally professional. The end result was a level of polish and quality that I didn't anticipate. I'm thrilled with how it all went. (Note: there's a cheaper company out there, but I chose WoW because I wanted great insulation instead of cheap windows that are going to leak. I'm very...

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Chris S. |

We Did Not Want Just Anyone Replacing The Windows On Our 101 Year Old Home

Just wanted you to know that we are very pleased with the installation of the windows.  We had several quotes from other window companies, but we chose Windows on Washington because of the glowing reviews that had been given for the install team, specifically, Joon.   Mr Kim and team obviously take pride in their...
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Laura N | Alexandria, VA

Wow Sales Rep Was Very Honest, Direct and Patient

WoW replaced 12 old, wood double hung windows in our house. Instead of the same old window, we worked with WoW to get the Okna company to build custom slider windows with the trim / inlay a very specific way. From the first time we met the sales rep in our house, it was clear we were dealing with a company that...

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Ryan, T | Leesburg, VA